Usually, this means screwing the smart light bulb into a working outlet.
Refer to the instructions if a hub other than Alexa is involved.
bring up the AmazonAlexa appon your mobile gear.

zhudifeng/Getty Images
Alexa will search for any compatible devices and present a list of the devices discovered.
Scroll down to find the smart light that you want to connect.
It will appear as a bulb icon with the name you assigned during the initial setup.
Tap the smart light’s name to complete the setup.
When in doubt, hire a certified electrician to ensure the switch is wired properly.
bring up the Amazon Alexa app on your mobile unit.
Scroll down to find the smart switch that you want to connect.
It will appear as a bulb icon with the name you assigned during the initial setup.
Tap the smart switch’s name to complete the setup.
For all other versions, it may be necessary to use a smart hub to connect your smart devices.
Select theMorebutton, indicated by three horizontal lines,
ChooseSkills & Games.
Browse or enter search keywords to find the skill for your rig.
SelectEnableand then follow the on-screen instructions to complete the linking process.
ChooseAdd Devicein theDevicessection of the Alexa app.
Refer to the manufacturers instructions for any special steps specific to your hub.
Enter a name for your group or choose an option from the list.
Choose the lights you want to add to the group and then chooseSave.
For example, say, “Alexa, turn on the living room.”
Although Alexa understands the Dim command, some smart bulbs dim and some don’t.